ATtiny261-ESSZ datasheet(192/227 Pages) ATMEL

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192

7753C–AVR–07/09

ATtiny261/ATtiny461/ATtiny861

Table 23-6.

ADC Characteristics, Differential Channels, -40°C +125°C

Symbol

Parameter

Condition

Min

Typ

Max

Units

Resolution

Differential conversion,

gain = 1x or 8x

Bits

Differential conversion,

gain = 20x or 32x

TUE

Absolute accuracy

Gain = 1x / 8x, BIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

1.7

4.0

LSB

Gain = 20x / 32x, BIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

2.0

5.0

Gain = 1x / 8x, UNIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

2.3

5.0

Gain = 20x / 32x, UNIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

3.0

6.0

INL

Integral Non-linearity

Gain = 1x / 8x, BIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

0.3

1.5

LSB

Gain = 20x / 32x, BIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

0.7

3.0

Gain = 1x / 8x, UNIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

1.0

3.0

Gain = 20x / 32x, UNIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

2.0

6.0

DNL

Differential Non-linearity

Gain = 1x / 8x, BIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

0.3

1.0

LSB

Gain = 20x / 32x, BIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

0.4

1.2

Gain = 1x / 8x, UNIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

0.4

1.0

Gain = 20x / 32x, UNIPOLAR,

CC = 5V, VREF = 4V,

ADC clock = 200 kHz

0.8

2.5

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